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Finding the Fourth Proportional to 480,043.20, 720,064.80 and 473,044.80

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Solution

The fourth proportional to 480,043.20, 720,064.80 and 473,044.80 is: 709,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,043.20 : 720,064.80 = 473,044.80 : x
  2. Step 2: Convert to fraction form
    480,043.20/720,064.80 = 473,044.80/x
  3. Step 3: Cross multiply
    480,043.20x = 720,064.80 × 473,044.80
  4. Step 4: Simplify right side
    480,043.20x = 340,622,909,303.04
  5. Step 5: Solve for x
    x = 340,622,909,303.04/480,043.20
  6. Step 6: Final answer
    x = 709,567.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.